dew-point temperature
21Dew-point — n. (Meteor.) The temperature at which dew begins to form. It varies with the humidity and temperature of the atmosphere. [1913 Webster] …
22dew-point spread — [do͞o′point΄, dyo͞o′point΄] n. the degrees of difference between the air temperature and the dew point: also called dew point deficit or dew point depression …
23dew point — dew′ point n. mer the temperature to which air must be cooled, at a given pressure and water vapor content, for it to reach saturation; temperature at which dew begins to form • Etymology: 1825–35 …
24dew point — n. the temperature at which a condensable component of a gas (as, esp., water vapor in the air) starts to condense into liquid …
25dew-point spread — /dooh poynt , dyooh / the number of degrees of difference between the air temperature and the dew point. Also called dew point deficit, dew point depression. * * * …
26dew-point spread — /dooh poynt , dyooh / the number of degrees of difference between the air temperature and the dew point. Also called dew point deficit, dew point depression …
27dew point — noun Date: 1826 the temperature at which a vapor (as water) begins or would begin to condense < it s 78° outside and the dew point is 63° > …
28dew-point hygrometer — noun : a hygrometer for determining the dew point usually by measuring the temperature of a liquid being cooled in a highly polished silver vessel at the moment when drops of moisture condense on the outer wall of the vessel …
29dew point — temperature at which water vapor in the air condenses and turns to dew …
30dew point — temperature at which air becomes saturated i.e. relative humidity is 100% …
